Question

0.14 g of an element on combustion gives 0.28
g of its oxide. What is that element ?
1) Nitrogen
2) Carbon
3) Fluorine
4) Sulphur
​

Answer 1

Answer:

Your answer is sulphur...

Explanation:

Thanks for answering my question ..

But the value of theta is 60° right..so COS theta that is COS 60° must be 1/2 .. nah!?

Still .. thanks a lot... it really helped me..